Journal of Porous Materials

, Volume 14, Issue 1, pp 27–35 | Cite as

Temperature programmed desorption of n-hexane and n-heptane from MFI and FAU zeolites

Article

Abstract

TPD studies of n-hexane and n-heptane from NaX, Y and ZSM-5 (Na+ or H+ exchanged) in the experimental system with a TCD detector were performed, using pure He or He/n-alkane mixture as a carrier gas. The TPD profiles with one desorption peak for Y and two peaks for ZSM-5, measured using He/hydrocarbon mixture, were similar to the previously reported equilibrated thermodesorption results. TPD profiles were accurately fitted with a model based on the equilibrium control of the desorption and the adsorption functions derived from the Langmuir or dual site Langmuir isotherms.

Keywords

Adsorption Temperature programmed desorption Zeolites n-Hexane n-Heptane 

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  1. 1.Faculty of ChemistryJagiellonian UniversityKrakowPoland
  2. 2.Regional Laboratory for Physicochemical Analyses and Structural ResearchJagiellonian UniversityKrakowPoland

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